/*
 * Copyright 2011-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *    http://aws.amazon.com/apache2.0
 *
 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
 * OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and
 * limitations under the License.
 */

package com.amazonaws.services.s3.model;

import java.util.Arrays;
import java.util.Date;
import java.util.List;

/**
 * Container for bucket lifecycle configuration operations.
 */
public class BucketLifecycleConfiguration {

    /**
     * Constant for an enabled rule.
     *
     * @see Rule#setStatus(String)
     */
    public static final String ENABLED = "Enabled";

    /**
     * Constant for a disabled rule.
     *
     * @see Rule#setStatus(String)
     */
    public static final String DISABLED = "Disabled";

    private List<Rule> rules;

    /**
     * Returns the list of rules that comprise this configuration.
     */
    public List<Rule> getRules() {
        return rules;
    }

    /**
     * Sets the rules that comprise this configuration.
     */
    public void setRules(List<Rule> rules) {
        this.rules = rules;
    }

    /**
     * Sets the rules that comprise this configuration and returns a reference
     * to this object for easy method chaining.
     */
    public BucketLifecycleConfiguration withRules(List<Rule> rules) {
        setRules(rules);
        return this;
    }

    /**
     * Convenience array style method for
     * {@link BucketLifecycleConfiguration#withRules(List)}
     */
    public BucketLifecycleConfiguration withRules(Rule... rules) {
        setRules(Arrays.asList(rules));
        return this;
    }

    /**
     * Constructs a new {@link BucketLifecycleConfiguration} object with the
     * rules given.
     *
     * @param rules
     */
    public BucketLifecycleConfiguration(List<Rule> rules) {
        this.rules = rules;
    }

    public BucketLifecycleConfiguration() {
        super();
    }

    public static class Rule {

        private String id;
        private String prefix;
        private String status;

        /**
         * The time, in days, between when the object is uploaded to the bucket
         * and when it expires. Should not coexist with expirationDate within
         * one lifecycle rule.
         */
        private int expirationInDays = -1;

        /**
         * The time, in days, between when a new version of the object is
         * uploaded to the bucket and when older versions of the object expire.
         */
        private int noncurrentVersionExpirationInDays = -1;

        /**
         * The expiration date of the object and should not coexist with
         * expirationInDays within one lifecycle rule.
         */
        private Date expirationDate;

        private Transition transition;
        private NoncurrentVersionTransition noncurrentVersionTransition;

        /**
         * Sets the ID of this rule. Rules must be less than 255 alphanumeric
         * characters, and must be unique for a bucket. If you do not assign an
         * ID, one will be generated.
         */
        public void setId(String id) {
            this.id = id;
        }

        /**
         * Sets the key prefix for which this rule will apply.
         */
        public void setPrefix(String prefix) {
            this.prefix = prefix;
        }

        /**
         * Sets the time, in days, between when an object is uploaded to the
         * bucket and when it expires.
         */
        public void setExpirationInDays(int expirationInDays) {
            this.expirationInDays = expirationInDays;
        }

        /**
         * Sets the time, in days, between when a new version of the object is
         * uploaded to the bucket and when older versions of the object expire.
         */
        public void setNoncurrentVersionExpirationInDays(int value) {
            this.noncurrentVersionExpirationInDays = value;
        }

        /**
         * Returns the ID of this rule.
         */
        public String getId() {
            return id;
        }

        /**
         * Sets the ID of this rule and returns a reference to this object for
         * method chaining.
         *
         * @see Rule#setId(String)
         */
        public Rule withId(String id) {
            this.id = id;
            return this;
        }

        /**
         * Returns the key prefix for which this rule will apply.
         */
        public String getPrefix() {
            return prefix;
        }

        /**
         * Sets the key prefix for this rule and returns a reference to this
         * object for method chaining.
         *
         * @see Rule#setPrefix(String)
         */
        public Rule withPrefix(String prefix) {
            this.prefix = prefix;
            return this;
        }

        /**
         * Returns the time in days from an object's creation to its expiration.
         */
        public int getExpirationInDays() {
            return expirationInDays;
        }

        /**
         * Sets the time, in days, between when an object is uploaded to the
         * bucket and when it expires, and returns a reference to this object
         * for method chaining.
         *
         * @see Rule#setExpirationInDays(int)
         */
        public Rule withExpirationInDays(int expirationInDays) {
            this.expirationInDays = expirationInDays;
            return this;
        }

        /**
         * Returns the time, in days, between when a new version of the object
         * is uploaded to the bucket and when older versions of the object
         * expire.
         */
        public int getNoncurrentVersionExpirationInDays() {
            return noncurrentVersionExpirationInDays;
        }

        /**
         * Sets the time, in days, between when a new version of the object is
         * uploaded to the bucket and when older versions of the object expire,
         * and returns a reference to this object for method chaining.
         */
        public Rule withNoncurrentVersionExpirationInDays(int value) {
            setNoncurrentVersionExpirationInDays(value);
            return this;
        }

        /**
         * Returns the status of this rule.
         *
         * @see BucketLifecycleConfiguration#DISABLED
         * @see BucketLifecycleConfiguration#ENABLED
         */
        public String getStatus() {
            return status;
        }

        /**
         * Sets the status of this rule.
         *
         * @see BucketLifecycleConfiguration#DISABLED
         * @see BucketLifecycleConfiguration#ENABLED
         */
        public void setStatus(String status) {
            this.status = status;
        }

        /**
         * Sets the status of this rule and returns a reference to this object
         * for method chaining.
         *
         * @see Rule#setStatus(String)
         * @see BucketLifecycleConfiguration#DISABLED
         * @see BucketLifecycleConfiguration#ENABLED
         */
        public Rule withStatus(String status) {
            setStatus(status);
            return this;
        }

        /**
         * Sets the expiration date of the object.
         */
        public void setExpirationDate(Date expirationDate) {
            this.expirationDate = expirationDate;
        }

        /**
         * Returns the expiration date of the object.
         */
        public Date getExpirationDate() {
            return this.expirationDate;
        }

        /**
         * Sets the expiration date of the object and returns a reference to
         * this object(Rule) for method chaining.
         */
        public Rule withExpirationDate(Date expirationDate) {
            this.expirationDate = expirationDate;
            return this;
        }

        /**
         * Sets the transition describing how this object will move between
         * different storage classes in Amazon S3.
         */
        public void setTransition(Transition transition) {
            this.transition = transition;
        }

        /**
         * Returns the transition attribute of the rule.
         */
        public Transition getTransition() {
            return this.transition;
        }

        /**
         * Sets the transition describing how this object will move between
         * different storage classes in Amazon S3 and returns a reference to
         * this object(Rule) for method chaining.
         */
        public Rule withTransition(Transition transition) {
            this.transition = transition;
            return this;
        }

        /**
         * Sets the transition describing how non-current versions of objects
         * will move between different storage classes in Amazon S3.
         */
        public void setNoncurrentVersionTransition(
                NoncurrentVersionTransition value) {

            noncurrentVersionTransition = value;
        }

        /**
         * Returns the transition describing how non-current versions of objects
         * will move between different storage classes in Amazon S3.
         */
        public NoncurrentVersionTransition getNoncurrentVersionTransition() {
            return noncurrentVersionTransition;
        }

        /**
         * Sets the transition describing how non-current versions of objects
         * will move between different storage classes in Amazon S3, and returns
         * a reference to this object for method chaining.
         */
        public Rule withNoncurrentVersionTransition(
                NoncurrentVersionTransition value) {

            setNoncurrentVersionTransition(value);
            return this;
        }
    }

    /**
     * The transition attribute of the rule describing how this object will move
     * between different storage classes in Amazon S3.
     */
    public static class Transition {

        /**
         * The time, in days, between when the object is uploaded to the bucket
         * and when it expires. Should not coexist with expirationDate within
         * one lifecycle rule.
         */
        private int days = -1;

        /**
         * The expiration date of the object and should not coexist with
         * expirationInDays within one lifecycle rule.
         */
        private Date date;

        private StorageClass storageClass;

        /**
         * Sets the time, in days, between when an object is uploaded to the
         * bucket and when it expires.
         */
        public void setDays(int expirationInDays) {
            this.days = expirationInDays;
        }

        /**
         * Returns the time in days from an object's creation to its expiration.
         */
        public int getDays() {
            return days;
        }

        /**
         * Sets the time, in days, between when an object is uploaded to the
         * bucket and when it expires, and returns a reference to this object
         * for method chaining.
         *
         * @see Rule#setExpirationInDays(int)
         */
        public Transition withDays(int expirationInDays) {
            this.days = expirationInDays;
            return this;
        }

        /**
         * Sets the storage class of this object.
         */
        public void setStorageClass(StorageClass storageClass) {
            this.storageClass = storageClass;
        }

        /**
         * Returns the storage class of this object.
         */
        public StorageClass getStorageClass() {
            return this.storageClass;
        }

        /**
         * Sets the storage class of this object and returns a reference to this
         * object(Transition) for method chaining.
         */
        public Transition withStorageClass(StorageClass storageClass) {
            this.storageClass = storageClass;
            return this;
        }

        /**
         * Set the expiration date of this object.
         */
        public void setDate(Date expirationDate) {
            this.date = expirationDate;
        }

        /**
         * Returns the expiration date of this object.
         */
        public Date getDate() {
            return this.date;
        }

        /**
         * Set the expiration date of this object and returns a reference to
         * this object(Transition) for method chaining.
         */
        public Transition withDate(Date expirationDate) {
            this.date = expirationDate;
            return this;
        }

    }

    /**
     * The non-current-version transition attribute of the rule, describing how
     * non-current versions of objects will move between different storage
     * classes in Amazon S3.
     */
    public static class NoncurrentVersionTransition {

        /**
         * The time, in days, between when a new version of the object is
         * uploaded to the bucket and when older version are archived.
         */
        private int days = -1;

        private StorageClass storageClass;

        /**
         * Sets the time, in days, between when a new version of the object is
         * uploaded to the bucket and when older versions are archived.
         */
        public void setDays(int expirationInDays) {
            this.days = expirationInDays;
        }

        /**
         * Returns the time in days from when a new version of the object is
         * uploaded to the bucket and when older versions are archived.
         */
        public int getDays() {
            return days;
        }

        /**
         * Sets the time in days from when a new version of the object is
         * uploaded to the bucket and when older versions are archived, and
         * returns a reference to this object for method chaining.
         */
        public NoncurrentVersionTransition withDays(int expirationInDays) {
            this.days = expirationInDays;
            return this;
        }

        /**
         * Sets the storage class of this object.
         */
        public void setStorageClass(StorageClass storageClass) {
            this.storageClass = storageClass;
        }

        /**
         * Returns the storage class of this object.
         */
        public StorageClass getStorageClass() {
            return this.storageClass;
        }

        /**
         * Sets the storage class of this object and returns a reference to this
         * object for method chaining.
         */
        public NoncurrentVersionTransition withStorageClass(
                StorageClass storageClass) {

            this.storageClass = storageClass;
            return this;
        }
    }

}
